API	Application Program Interface
BLE	Bluetooth Low Energy
GUI	Graphical User Interface
HR	Heart Rate
IoT	Internet of Things
IPA	Intense Physical Activity
MET	Metabolic Equivalent of Task
mHealth	Mobile Health
MHR	Maximum Heart Rate
MPa	Moderate Physical Activity
NCD	Non-communicable Diseases
NTP	Network Time Protocol
OS	Operating System
PA	Physical Activity
SE	Self Efficacy
VR	Virtual Reality
WES	Wearable Expert System
UUID	Universal Unique IDentifier
WBAN	Wireless Body Area Network
WSN	Wireless Sensor Network
WSNME	Wireless Sensor Networks with Mobile Elements
WHO	World Health Organization